124735531 has 2 divisors, whose sum is σ = 124735532. Its totient is φ = 124735530.

The previous prime is 124735517. The next prime is 124735543. The reversal of 124735531 is 135537421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124735531 - 2¹⁵ = 124702763 is a prime.

It is a super-2 number, since 2×124735531² = 31117905387703922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124735493 and 124735502.

It is not a weakly prime, because it can be changed into another prime (124735591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62367765 + 62367766.

It is an arithmetic number, because the mean of its divisors is an integer number (62367766).

Almost surely, 2^124735531 is an apocalyptic number.

124735531 is a deficient number, since it is larger than the sum of its proper divisors (1).

124735531 is an equidigital number, since it uses as much as digits as its factorization.

124735531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 124735531 is about 11168.5062116650. The cubic root of 124735531 is about 499.6471256847.

The spelling of 124735531 in words is "one hundred twenty-four million, seven hundred thirty-five thousand, five hundred thirty-one".